diff --git a/projects/common/a10soc/a10soc_system_qsys.tcl b/projects/common/a10soc/a10soc_system_qsys.tcl
index 4e82fa42b..031960108 100644
--- a/projects/common/a10soc/a10soc_system_qsys.tcl
+++ b/projects/common/a10soc/a10soc_system_qsys.tcl
@@ -124,6 +124,7 @@ set_interface_property sys_hps_io EXPORT_OF sys_hps.hps_io
 
 add_instance sys_dma_clk clock_source
 set_instance_parameter_value sys_dma_clk {resetSynchronousEdges} {DEASSERT}
+set_instance_parameter_value sys_dma_clk {clockFrequencyKnown} {false}
 add_connection sys_clk.clk_reset sys_dma_clk.clk_in_reset
 add_connection sys_hps.h2f_user0_clock sys_dma_clk.clk_in
 add_connection sys_dma_clk.clk sys_hps.f2sdram0_clock